| 000 | 00319 am a2200121 a 4500 | ||
|---|---|---|---|
| 100 | 1 |
_a _d |
|
| 245 | 1 | _aAbility in pre-schoolers, earnings, and home-environment | |
| 260 |
_aWashington _c1979 |
||
| 300 | _a1-323 p. | ||
| 942 |
_2udc _cB |
||
| 440 | _aWashington World Bank Staff working Paper No. 322 | ||
| 901 | _aS31489 | ||
| 999 |
_c114428 _d114428 |
||